212155136261043 has 16 divisors (see below), whose sum is σ = 283723215647616. Its totient is φ = 141012043800320.

The previous prime is 212155136261021. The next prime is 212155136261059. The reversal of 212155136261043 is 340162631551212.

It is a cyclic number.

It is not a de Polignac number, because 212155136261043 - 2⁵ = 212155136261011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212155136260986 and 212155136261004.

It is not an unprimeable number, because it can be changed into a prime (212155136261093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10859913 + ... + 23286218.

It is an arithmetic number, because the mean of its divisors is an integer number (17732700977976).

Almost surely, 2^{212155136261043} is an apocalyptic number.

212155136261043 is a deficient number, since it is larger than the sum of its proper divisors (71568079386573).

212155136261043 is a wasteful number, since it uses less digits than its factorization.

212155136261043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34152354.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 212155136261043 in words is "two hundred twelve trillion, one hundred fifty-five billion, one hundred thirty-six million, two hundred sixty-one thousand, forty-three".